diff options
Diffstat (limited to 'source/blender/editors/space_clip/clip_draw_graph.c')
| -rw-r--r-- | source/blender/editors/space_clip/clip_draw_graph.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/source/blender/editors/space_clip/clip_draw_graph.c b/source/blender/editors/space_clip/clip_draw_graph.c new file mode 100644 index 00000000000..d7222d4f65c --- /dev/null +++ b/source/blender/editors/space_clip/clip_draw_graph.c @@ -0,0 +1,225 @@ +/* + * $Id$ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2011 Blender Foundation. + * All rights reserved. + * + * + * Contributor(s): Blender Foundation, + * Sergey Sharybin + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/space_clip/clip_draw_graph.c + * \ingroup spclip + */ + +#include "DNA_movieclip_types.h" +#include "DNA_scene_types.h" +#include "DNA_object_types.h" /* SELECT */ + +#include "MEM_guardedalloc.h" + +#include "BKE_context.h" +#include "BKE_movieclip.h" +#include "BKE_tracking.h" + +#include "BLI_utildefines.h" +#include "BLI_math.h" +#include "BLI_string.h" + +#include "ED_screen.h" +#include "ED_clip.h" + +#include "BIF_gl.h" + +#include "WM_types.h" + +#include "UI_interface.h" +#include "UI_resources.h" +#include "UI_view2d.h" + +#include "BLF_api.h" + +#include "clip_intern.h" // own include + +static void draw_graph_cfra(SpaceClip *sc, ARegion *ar, Scene *scene) +{ + View2D *v2d= &ar->v2d; + uiStyle *style= UI_GetStyle(); + int fontid= style->widget.uifont_id, fontsize; + float xscale, yscale, x, y; + char str[32] = " t"; /* t is the character to start replacing from */ + short slen; + float vec[2]; + + /* Draw a light green line to indicate current frame */ + vec[0]= (float)(sc->user.framenr * scene->r.framelen); + + UI_ThemeColor(TH_CFRAME); + glLineWidth(2.0); + + glBegin(GL_LINE_STRIP); + vec[1]= v2d->cur.ymin; + glVertex2fv(vec); + + vec[1]= v2d->cur.ymax; + glVertex2fv(vec); + glEnd(); + + glLineWidth(1.0); + + UI_view2d_view_orthoSpecial(ar, v2d, 1); + + /* because the frame number text is subject to the same scaling as the contents of the view */ + UI_view2d_getscale(v2d, &xscale, &yscale); + glScalef(1.0f/xscale, 1.0f, 1.0f); + + BLI_snprintf(&str[4], sizeof(str)-4, "%d", sc->user.framenr); + slen= BLF_width(fontid, str); + fontsize= BLF_height(fontid, str); + + /* get starting coordinates for drawing */ + x= (float)sc->user.framenr * xscale; + y= 18; + + /* draw green box around/behind text */ + UI_ThemeColorShade(TH_CFRAME, 0); + glRectf(x, y, x+slen, y+fontsize+4); + + /* draw current frame number - black text */ + UI_ThemeColor(TH_TEXT); + BLF_position(fontid, x-5, y+2, 0.f); + BLF_draw(fontid, str, strlen(str)); + + /* restore view transform */ + glScalef(xscale, 1.0, 1.0); +} + +static void draw_clip_tracks_curves(SpaceClip *sc) +{ + MovieClip *clip= ED_space_clip(sc); + MovieTracking *tracking= &clip->tracking; + MovieTrackingTrack *track; + int size[2]; + + static float colors[2][3] = {{1.f, 0.f, 0.f}, + {0.f, 1.f, 0.f}}; + + + BKE_movieclip_acquire_size(clip, &sc->user, &size[0], &size[1]); + + if(!size[0] || !size[1]) + return; + + track= tracking->tracks.first; + while(track) { + if(TRACK_VIEW_SELECTED(sc, track)) { + int coord; + + for(coord= 0; coord<2; coord++) { + int i, lines= 0, prevfra= 0; + float prevval= 0.f; + + glColor3fv(colors[coord]); + + for(i= 0; i<track->markersnr; i++) { + MovieTrackingMarker *marker= &track->markers[i]; + + if(marker->flag&MARKER_DISABLED) + continue; + + if(lines && marker->framenr!=prevfra+1) { + glEnd(); + lines= 0; + } + + if(!lines) { + glBegin(GL_LINE_STRIP); + lines= 1; + prevval= marker->pos[coord]; + } + + glVertex2f(marker->framenr, (marker->pos[coord] - prevval) * size[coord]); + + prevval= marker->pos[coord]; + prevfra= marker->framenr; + } + + if(lines) + glEnd(); + } + } + + track= track->next; + } +} + +static void draw_clip_frame_curves(SpaceClip *sc) +{ + MovieClip *clip= ED_space_clip(sc); + MovieTracking *tracking= &clip->tracking; + MovieTrackingReconstruction *reconstruction= &tracking->reconstruction; + int i, lines= 0, prevfra= 0; + + glColor3f(0.f, 0.f, 1.f); + + for(i= 0; i<reconstruction->camnr; i++) { + MovieReconstructedCamera *camera= &reconstruction->cameras[i]; + + if(lines && camera->framenr!=prevfra+1) { + glEnd(); + lines= 0; + } + + if(!lines) { + glBegin(GL_LINE_STRIP); + lines= 1; + } + + glVertex2f(camera->framenr, camera->error); + + prevfra= camera->framenr; + } + + if(lines) + glEnd(); +} + +void draw_clip_graph(SpaceClip *sc, ARegion *ar, Scene *scene) +{ + View2D *v2d= &ar->v2d; + View2DGrid *grid; + short unitx= V2D_UNIT_FRAMESCALE, unity= V2D_UNIT_VALUES; + + /* grid */ + grid= UI_view2d_grid_calc(scene, v2d, unitx, V2D_GRID_NOCLAMP, unity, V2D_GRID_NOCLAMP, ar->winx, ar->winy); + UI_view2d_grid_draw(v2d, grid, V2D_GRIDLINES_ALL); + UI_view2d_grid_free(grid); + + if(sc->flag&SC_SHOW_GRAPH_TRACKS) + draw_clip_tracks_curves(sc); + + if(sc->flag&SC_SHOW_GRAPH_FRAMES) + draw_clip_frame_curves(sc); + + /* current frame */ + draw_graph_cfra(sc, ar, scene); +} |